“…Assessing contractor performance is difficult, as publicly available data are limited worldwide due to legal restrictions, nontransparent procurement processes, and decentralized purchasing programs (Ferwerda et al, 2017;Garvin et al, 2011). There have also been a range of approaches used to assess contractor performance, including the organizational effects of contracting (Boyne, 1998;Kettl, 2015;Shi & Cheng, 2021), elements of contractor management and oversight (Girth, 2014;Kolpakov & Anguelov, 2018), relative output efficiency (largely measured through costs; Savas, 1977Savas, , 2002, and, more recently, the attainment of goals and objectives (Amirkhanyan, 2011;Petersen et al, 2018;Reis & Cabral, 2015). As a result, it is important to clearly define performance for this study.…”